The typical asking rate per listing is in the $30's per square foot per year. The West Hartford submarket is seeing a an increase in rates. In the last 3 months, the median rate increased $1 per sqft per year. That's a 3% increase in rent.
In the last 90 days, 10 listings have been posted online, which means leases most likley are leasing quickly. You'll want to be prepared to make an offer immediately. About 40% of the listings in the West Hartford are subleases, so you might be able to snag a great spot on a short term. There aren't many listings below 2,000 square feet available, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 340 sqft. Most properties in this region are close to 2 floors. Most buildings in this region were built in 1962 and are Class B.